PHP urldecode Function: Usage, Parameters, and Example

The PHP urldecode() function decodes URL-encoded strings, converting percent‑encoded characters and plus signs to spaces.

Syntax: string urldecode(string $str) Parameter: $str – the encoded string to decode.

Return value: the decoded string.

Example:

<?php
$query = "my=apples&are=green+and+red";
foreach (explode('&', $query) as $chunk) {
    $param = explode('=', $chunk);
    if ($param) {
        printf("Value for parameter \"%s\" is \"%s\"<br/>
", urldecode($param[0]), urldecode($param[1]));
    }
}
?>

Output:

Value for parameter "my" is "apples"<br/>
Value for parameter "are" is "green and red"<br/>